Question

If the same net force is applied to a 7 kg object and a 21 kg object, then
a.the 21 kg object accelerates three times faster than the 7 kg object.
b.the 7 kg object accelerates three times faster than the 21 kg object.
c.both objects accelerate at the same rate because the force is the same.
d.neither object will accelerate because there is a net force on the objects.